let s ='hello'
let n = 123
let f =true
let u = undefined
let o = null
let sy =Symbol(1)
let b =123123123n
let set = new Set()
let map = new Map()
let arr =[]
let obj ={}
let fun =function(){}
let d =new Date()

console.log(arr instanceof Array);//true
console.log(arr instanceof Object);//true

console.log(obj instanceof Object);//true
console.log(fun instanceof Function);//true
console.log(d instanceof Date);//true
console.log(set instanceof Set);//true
console.log(map instanceof Map);//true

console.log(sy instanceof Symbol);//false
console.log(b instanceof BigInt);//false
console.log(o instanceof Object);//false
// console.log(u instanceof Undefined);
console.log(f instanceof Boolean);//false
console.log(n instanceof Number);//false
console.log(s instanceof String);//false






